NCLEX NCLEX-RN
NCLEX RN Predictor Exam
1. In the Gram Stain procedure, which component acts as the mordant?
- A. Crystal violet
- B. Methyl alcohol
- C. Iodine
- D. Safranin
Correct answer: Iodine
Rationale: In the Gram Stain procedure, the mordant is Gram's Iodine. The purpose of the mordant is to form a complex with the crystal violet, enhancing its ability to bind to the cell wall. Crystal violet is actually the primary stain used in the Gram Stain procedure to initially color all cells. Methyl alcohol is the decolorizer that removes the crystal violet from certain cell types. Safranin is the counterstain used to stain those cells that did not retain the crystal violet stain after the decolorization step.
2. Which consideration is the most accurate when applying the principles of mental health?
- A. Emotionally ill individuals may initially reject psychological support from family or others.
- B. People with emotional illnesses may experience challenges in problem-solving.
- C. Mental illness is not solely characterized by signs and symptoms of socially inappropriate behavior.
- D. Emotional health is promoted when there is a sense of mastery of self and the environment.
Correct answer: D: Emotional health is promoted when there is a sense of mastery of self and the environment.
Rationale: Emotional health is enhanced when an individual feels a sense of control over themselves and their surroundings, fostering security, reducing anxiety, and promoting optimal functioning. While some emotionally ill individuals may reject help initially, many are in distress and acknowledge the need for psychological support. Some seek care based on positive past experiences or the attention received. Additionally, individuals with excellent cognitive function may face challenges in problem-solving due to emotional or psychological barriers. Not all individuals with mental illness exhibit socially inappropriate behavior; it is a misconception that mental illness is solely characterized by such signs and symptoms. Therefore, the most accurate consideration among the choices is that emotional health thrives when there is a feeling of mastery over oneself and the environment.
3. What is the primary nursing concern when caring for patients being treated with splints, casts, or traction?
- A. To assess for and prevent neurovascular complications or dysfunction
- B. To ensure adequate nutrition during the healing process
- C. To provide patient education for maintenance of splints, casts, or traction in the community
- D. To treat acute pain
Correct answer: A: To assess for and prevent neurovascular complications or dysfunction
Rationale: The primary nursing concern when caring for patients with splints, casts, or traction is to assess for and prevent neurovascular complications or dysfunction. This is crucial to ensure adequate circulation and nerve function, preventing long-term complications such as ischemia or nerve damage. While adequate nutrition and patient education are important aspects of care, they are not the primary concern in this scenario. Acute pain management is important but is secondary to preventing neurovascular complications in patients treated with splints, casts, or traction.
4. The healthcare professional is preparing to use a stethoscope for auscultation. Which statement is true regarding the diaphragm of the stethoscope?
- A. Used to listen for high-pitched sounds
- B. Used to listen for low-pitched sounds
- C. Should be firmly held against the person’s skin to block out low-pitched sounds
- D. Should be lightly held against the person’s skin to listen for extra heart sounds and murmurs
Correct answer: Used to listen for high-pitched sounds
Rationale: The diaphragm of the stethoscope is designed for listening to high-pitched sounds like breath, bowel, and normal heart sounds. It should be firmly held against the person’s skin to ensure optimal sound transmission, leaving a ring after use. On the other hand, the bell of the stethoscope is ideal for detecting soft, low-pitched sounds such as extra heart sounds or murmurs. Therefore, the diaphragm is not used to block out low-pitched sounds but rather to enhance the detection of high-frequency sounds.
5. While explaining an illness to a 10-year-old, what should the nurse keep in mind about the cognitive development at this age?
- A. They are able to make simple associations of ideas
- B. They are able to think logically in organizing facts
- C. Interpretation of events originates from their own perspective
- D. Conclusions are based on previous experiences
Correct answer: They are able to think logically in organizing facts
Rationale: At the age of 10, children are in the concrete operations stage according to Piaget. They are capable of mature thought when allowed to manipulate and organize objects. This means they can think logically, organize facts, and understand cause-and-effect relationships. Choices A, C, and D are incorrect. While simple associations of ideas may occur, the key cognitive ability at this stage is the capacity for logical thought and organization of information. Interpretation of events from their own perspective is more characteristic of younger children, and conclusions based on previous experiences are more aligned with older children or adults.
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